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Twitter

Twitter is a free microblogging service founded in 2006 by Jack Dorsey and Biz Stone. At its heart are 140-character bursts of information called tweets. Users can include links to other content in their tweets, and broadcasts can be public or private. Celebrities, journalists, politicians and other public figures have established significant followings on Twitter. Media outlets in particular use Twitter as a way to broadcast breaking news.

Since its founding, Twitter has grown into a social media juggernaut, and popularity on the service is often used as a benchmark of influence. Companies have also used the service as a way to engage with their customers - offering promotions and other specials.

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The Twitter accounts for United Press International and the New York Post were hacked on Friday afternoon, tweeting the news that the U.S. and China were at war and the Pope said World War 3 had begun.

President Barack Obama said during a Tuesday meeting with congressional leaders that the hack of the U.S. military's Central Command Twitter account shows why lawmakers need to do more to shield Americans from cyberattacks. "With the Sony attack that...

On Christmas day, astrophysicist and author Neil deGrasse Tyson tweeted about a man who was born Dec. 25, and changed the world by age 30. But he wasn't referring to Jesus. Instead, Tyson was talking about Isaac Newton, who was born on that date in 1...

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Mashable
is a leading source for news, information and resources for the Connected Generation. Mashable reports on the importance of digital innovation and how it empowers and inspires people around the world. Mashable's record 42 million unique visitors worldwide and 21 million social media followers are one of the most influential and engaged online communities. Founded in 2005, Mashable is headquartered in New York City with an office in San Francisco.